– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 am Fri 15 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Fri 15 May Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Fri 15 May Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 32mm), heaviest during Fri night. Very mild (max 10°C on Sun afternoon, min 3°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryModerate rain (total 12mm), heaviest on Wed night. Very mild (max 13°C on Wed afternoon, min 7°C on Mon night). Wind will be generally light. | |||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | | |  | | | | | | | | | | |
mod. rain | mod. rain | mod. rain | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | rain shwrs | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | mod. rain | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
6 | 10 | 9 | 3 | 3 | 0.6 | 0.2 | 0.6 | 0.2 | 0.1 | 0.1 | 1 | 0.5 | 0.8 | 0.1 | 0.1 | 0.2 | 9 | |
max °C | 5 | 4 | 4 | 5 | 7 | 6 | 8 | 10 | 9 | 10 | 12 | 7 | 9 | 12 | 10 | 11 | 13 | 11 |
min °C | 4 | 4 | 3 | 4 | 6 | 4 | 6 | 9 | 6 | 8 | 11 | 7 | 8 | 11 | 7 | 9 | 12 | 9 |
2 | 2 | 3 | 4 | 5 | 4 | 6 | 9 | 6 | 8 | 10 | 7 | 8 | 11 | 7 | 9 | 12 | 8 | |
1150 | 1250 | 1100 | 1150 | 1400 | 1300 | 1500 | 1850 | 1850 | 1750 | 1950 | 1800 | 1850 | 2150 | 2050 | 2100 | 2550 | 2350 | |
Cloud base (m) | 600 | 550 | 650 | 600 | 700 | 650 | 800 | 800 | 1900 | 1550 | 2650 | 600 | 850 | 1600 | 1850 | 1750 | 1750 | 550 |
 | 5:26 | — | — | 5:24 | — | — | 5:24 | — | — | 5:22 | — | — | 5:22 | — | — | 5:20 | — | — |
 | — | — | 8:42 | — | — | 8:43 | — | — | 8:44 | — | — | 8:45 | — | — | 8:46 | — | — | 8:47 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 32mm), heaviest during Fri night. Very mild (max 10°C on Sun afternoon, min 3°C on Fri night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Moderate rain (total 12mm), heaviest on Wed night. Very mild (max 13°C on Wed afternoon, min 7°C on Mon night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.